MC9S08MM128CLH - 48MHz 128KB 8-Bit MCU | NXP
MPN： MC9S08MM128CLH ✗ 停產MC9S08MM128CLH 概覽
A microcontroller is a programmable semiconductor that integrates a CPU, memory, peripherals, and interfaces into one device. Within the embedded-control hierarchy, this MCU belongs to the HCS08 family, the S08 processor series, and the S08MM product line. Its integrated connectivity and measurement features allow one device to control peripherals, communicate with a host, and acquire precision analog signals without relying on several separate discrete components.
The verified product information identifies an 8-bit data bus, 128K by 8 Flash organization, a maximum CPU frequency of 48 MHz, and 2.5 V or 3.3 V operation. The MC9S08MM128 series provides USB Specification 2.0 support with control, bulk, interrupt, and isochronous transfers. Its on-chip transceiver and 3.3 V regulator can reduce external component count, while integrated precision analog resources suit instrumentation and other measurement-oriented products.
The device uses the HCS08 instruction set and is organized around an S08 core. Depending on supply voltage, the verified datasheet search results state that the CPU can operate at 48 MHz above the upper threshold, 40 MHz above 2.1 V, and 20 MHz above 1.8 V. Voltage-dependent clock selection must therefore be checked against the actual rail during firmware planning and validation.
Typical uses include medical equipment, industrial instrumentation, USB-connected control products, graphic human-interface systems, and compact embedded-control products. The combination of USB, Flash memory, and analog measurement support can simplify product architecture where both communications and precision acquisition are required. Software migration is also important because the S08 core, memory map, peripherals, and development ecosystem must be supported by the selected tools.
When laying out a board, preserve the manufacturer's recommended decoupling, USB transceiver connections, analog grounding, and exposed-pad or thermal-land requirements specified for the 64-LQFP package. Confirm clock, memory, I/O, and USB timing against the exact datasheet revision because package variants and temperature suffixes can differ.
This page consolidates the verified manufacturer and distributor facts, available procurement links, package information, and design-focused context for engineers evaluating this end-of-life MCU. It does not infer undocumented memory sizes, peripheral counts, prices, or lifecycle replacements.
直接替換替代品，適用於 MC9S08MM128CLH — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此產品無可直接替換的替代品。
申請替代品MC9S08MM128CLH 最大額定值與電氣特性
| Microcontroller Type | 8-bit HCS08 microcontroller |
| Processor Core | S08 core |
| Processor Series | S08MM |
| 資料匯流排寬度 | 8 bit |
| 最大時脈頻率 | 48 MHz |
| CPU Frequency Above 2.1 V | Up to 40 MHz |
| CPU Frequency Above 1.8 V | Up to 20 MHz |
| Flash Memory | 128 KB (128K x 8) |
| 供應電壓 | 2.5 V or 3.3 V |
| USB Compliance | USB Specification 2.0 |
| USB Transfer Types | Control, bulk, interrupt, and isochronous |
| Integrated USB Transceiver | Yes |
| Integrated 3.3 V Regulator | Yes |
| Graphic Display Support | Yes |
| Precision Analog Measurement | Supported by the MC9S08MM128 series |
| 封裝 | 64-LQFP, 10 mm x 10 mm |
| 安裝類型 | Surface mount |
| Instruction Set | HCS08 |
MC9S08MM128CLH 64-lqfp, 10 mm x 10 mm 腳位配置指南
MC9S08MM128CLH（64-lqfp, 10 mm x 10 mm 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： MC9S08MM128CLH.
請參閱 資料表 以查看完整腳位配置。
典型應用
MC9S08MM128CLH 適用於 6 應用s: USB-Connected Embedded Control, Medical Measurement Instruments, Industrial Instrumentation, Graphic Human-Interface Panels, Precision Data-Acquisition Modules, USB Test and Measurement Products.
USB-Connected Embedded Control
The MC9S08MM128CLH fits compact USB control products because its S08MM family provides USB Specification 2.0 support, an on-chip transceiver, a 3.3 V regulator, and four listed transfer classes. A designer can use it as the application processor for configuration, control, and peripheral supervision without requiring a separate USB transceiver in the basic architecture. Its 8-bit core and 48 MHz maximum clock are suitable for real-time control, while 128 KB Flash provides storage for firmware and USB descriptors. Design validation must still check current-consumption limits, clock requirements, bus timing, and USB enumeration behavior in the official datasheet.
推薦
Medical Measurement Instruments
The MC9S08MM128CLH is applicable to medical and laboratory instruments that combine digital control with precision analog measurement. NXP identifies medical applications and measurement-focused use cases for the 9S08MM128/64/32 family. The S08MM integration can place measurement, control, display handling, and USB connectivity in one 64-LQFP device, reducing board area compared with a more fragmented implementation. Its 48 MHz maximum clock supports responsive control tasks, and 128 KB Flash accommodates application code, calibration data, and communication routines. Safety, accuracy, and regulatory claims must be established separately for the finished instrument.
推薦
Industrial Instrumentation
The MC9S08MM128CLH suits industrial instrumentation where an 8-bit controller must acquire precision analog signals while also handling local display or host communication. The verified NXP material emphasizes precision measurement resources, while the MCU supplies up to 48 MHz processing and 128 KB Flash in a compact 10 mm by 10 mm LQFP. Engineers can place it near sensors, actuator controls, and operator interfaces, then use USB for configuration or data export. Analog grounding, reference stability, calibration strategy, and noise control remain critical; the exact converter and timer specifications should be confirmed in the manufacturer datasheet before precision claims are finalized.
推薦
Graphic Human-Interface Panels
The MC9S08MM128CLH can support compact products that combine a graphical interface with embedded measurement or device control. Graphic-display support is explicitly identified in the verified family description, while the 48 MHz S08 core and 128 KB Flash provide resources for interface state, rendering, communications, and control logic. A practical architecture could use the MCU to process sensor data, update a local display, and expose diagnostics through USB. Display-interface timing, memory requirements, and panel-specific electrical details are not supplied here, so designers must verify them in the exact datasheet and selected display-driver documentation.
推薦
Precision Data-Acquisition Modules
The MC9S08MM128CLH is well matched to compact data-acquisition modules because the S08MM family combines precision measurement capability with an 8-bit control core and USB connectivity. At up to 48 MHz, the device can coordinate sampling control, digital filtering, calibration logic, and data transfer while fitting a 64-LQFP footprint. Its 128 KB Flash can hold firmware and lookup or calibration tables, although RAM and converter details must be verified before sizing a specific channel count. Precision designs should evaluate reference stability, analog supply requirements, grounding, shielding, sampling topology, and calibration drift rather than relying only on CPU frequency.
推薦
USB Test and Measurement Products
The MC9S08MM128CLH can serve as the control core in a small USB test or measurement product because it combines USB Specification 2.0 connectivity, graphic-display potential, precision measurement resources, and 128 KB Flash. Control, bulk, interrupt, and isochronous transfer support enables host communication for configuration, logging, or data exchange. The integrated transceiver and regulator may simplify the USB subsystem, but the board still requires verified routing, protection, grounding, and firmware implementation. Since the target is end of life, new instruments should assess whether long-term availability justifies a platform redesign from an established production MCU.
推薦
推薦產品摘要
工程參考資料，適用於 MC9S08MM128CLH — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MC9S08MM128CLK |
|---|---|---|
| Package | 64-LQFP (10x10) | 80-LQFP (12x12) |
| Brand | NXP Semiconductors | NXP Semiconductors |
| Core | S08 | S08 |
| Data Bus Width | 8 bit | 8 bit |
| Maximum Clock Frequency | 48 MHz | 48 MHz |
| Flash Memory | 128 KB | 128 KB |
主要差異化特點
- Verified 64-LQFP package differs from the same-family 80-LQFP variant (對比MC9S08MM128CLK)
- Confirmed USB Specification 2.0 integration for connected embedded products (對比MC9S08MM128CLK)
- Explicit lifecycle status for sourcing decisions (對比MC9S08MM128CLK)
設計說明
Use the exact 64-LQFP 10 mm by 10 mm land pattern and pin numbering from the official MC9S08MM128 datasheet; the verified search result confirms the package but does not provide all 64 pin assignments. Place required decoupling close to the relevant supply pins and preserve the manufacturer's recommended return paths. Fine-pitch LQFP leads require adequate solder mask and paste control. Do not substitute a generic 80-LQFP footprint for MC9S08MM128CLK or another related part because the verified package comparison shows a different lead count and body size.
Validate the clock ceiling against the actual supply voltage. According to the verified datasheet search result, the family reaches 48 MHz only above the upper threshold, 40 MHz above 2.1 V, and 20 MHz above 1.8 V. Firmware must not select an unsupported clock mode after a rail transition. Include brownout, startup, decoupling, and regulator tolerance in worst-case timing tests. Estimated: CPU frequency alone does not determine power, so obtain actual current and dissipation figures from the exact datasheet rather than inventing them.
Follow the manufacturer's USB routing and grounding guidance when using the integrated transceiver. Keep the USB path controlled, maintain the required reference-plane continuity, minimize stubs and unnecessary vias, and place protection components where their capacitance will not distort signal integrity. Because the provided evidence confirms USB Specification 2.0 functionality but not trace geometry, impedance values, or connector details, treat those values as DATA_NEEDED and extract them from the official datasheet before layout release.
Do not treat another S08 MCU with the same Flash size as a drop-in replacement merely because the core and memory headline values match. A substitution must be checked for package dimensions, pinout, USB implementation, analog peripherals, memory map, clock tree, voltage range, startup behavior, interrupts, and development-tool support. The supplied cross-reference results do not verify any safe direct replacement for MC9S08MM128CLH, and NXP marks the target end of life.
合規資訊
The verified NXP page includes an Environmental Quality section, but the retrieved content does not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. No compliance claim is inferred.